Head to head
1
Hard
0
2
Clay
1
1
Grass
0
3
Carpet
1
Tom Okker's wins on the left · Roy Emerson's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1973 | Los Angeles | Hard | R16 | Tom Okker | 6-4 6-3 |
| 1972 | Toronto WCT | Carpet | QF | Tom Okker | 7-6 6-0 |
| 1971 | Gstaad | Clay | SF | Tom Okker | 6-3 6-2 9-7 |
| 1971 | Tennis Champions Classic | Carpet | SF | Tom Okker | 6-4 2-6 4-6 6-3 6-4 |
| 1969 | Gstaad | Clay | F | Roy Emerson | 6-2 12-14 6-4 6-4 |
| 1969 | Amsterdam | Clay | RR | Tom Okker | 8-6 3-6 6-3 |
| 1969 | Japanese Championships | Carpet | F | Tom Okker | 6-3 6-5 |
| 1968 | Wimbledon | Grass | R16 | Tom Okker | 6-3 9-11 7-5 7-5 |
| 1968 | New York-1 | Carpet | QF | Roy Emerson | 12-10 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.